Cummins QSX

I · 500 14.95L 509hp (374kW) 2365Nm

Stage 1

	Original	After tuning	Diff
Power hp	509	600	+91
Torque Nm	2365	2790	+425

Power gain

+18%

Torque gain

+18%

Fuel economy −7%

Before

~~33.9~~ L / 100 km

After tuning

31.7 L / 100 km

Saves ≈ 2.2 L / 100 km — about 2 246 L (over 100 000 km) ≈ €3 931

Estimate for a typical duty cycle · real saving depends on load & driving style

Power graph / Stage 1

PowerTorqueStock